Climate Overview
The climate in Hualien City is warm and mild. The average annual temperature is 18°C and approximately 4180mm of precipitation falls per year. Hualien City receives a notable amount of rainfall throughout the year, including during its driest month. Hualien City is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 10°C.
Temperature
Hualien City sees moderate temperature variation throughout the year, ranging from 10°C to 27°C. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 24°C. January is the coolest month, with minimum temperatures around 10°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.
Precipitation
Hualien City is a very wet location, receiving approximately 4180mm of precipitation annually, which averages out to around 348mm per month. The wettest month is October, averaging 439mm of rainfall. January and May also tend to see above-average precipitation. The driest month is April, with just 269mm. That's 170mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Hualien City is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
7 days until Autumn
It is currently summer in Hualien City, which began on June 21, 2026. Hualien City is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 27°C, while the coldest stretch bottoms out in January near 10°C. Autumn is next, beginning on September 23, 2026 (7 days from now).
Spring
Temperatures range from 12 to 24°C. Rainfall is heavy, totalling around 1044mm across the season with a monthly average of 348mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 20 to 27°C. Rainfall is heavy, totalling around 985mm across the season with a monthly average of 328mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 1100mm across the season with a monthly average of 367mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 10 to 17°C. Rainfall is heavy, totalling around 1051mm across the season with a monthly average of 350mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Hualien City based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
